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<pre><span class="sourceLineNo">001</span><a name="line.1"></a>
<span class="sourceLineNo">002</span>/*<a name="line.2"></a>
<span class="sourceLineNo">003</span> * Copyright (C) 2014 Archie L. Cobbs. All rights reserved.<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * $Id: Writes.html 939 2015-05-29 01:16:17Z archie.cobbs $<a name="line.5"></a>
<span class="sourceLineNo">006</span> */<a name="line.6"></a>
<span class="sourceLineNo">007</span><a name="line.7"></a>
<span class="sourceLineNo">008</span>package org.jsimpledb.kv.mvcc;<a name="line.8"></a>
<span class="sourceLineNo">009</span><a name="line.9"></a>
<span class="sourceLineNo">010</span>import com.google.common.base.Converter;<a name="line.10"></a>
<span class="sourceLineNo">011</span>import com.google.common.base.Preconditions;<a name="line.11"></a>
<span class="sourceLineNo">012</span><a name="line.12"></a>
<span class="sourceLineNo">013</span>import java.io.IOException;<a name="line.13"></a>
<span class="sourceLineNo">014</span>import java.io.InputStream;<a name="line.14"></a>
<span class="sourceLineNo">015</span>import java.io.OutputStream;<a name="line.15"></a>
<span class="sourceLineNo">016</span>import java.util.List;<a name="line.16"></a>
<span class="sourceLineNo">017</span>import java.util.Map;<a name="line.17"></a>
<span class="sourceLineNo">018</span>import java.util.NavigableMap;<a name="line.18"></a>
<span class="sourceLineNo">019</span>import java.util.TreeMap;<a name="line.19"></a>
<span class="sourceLineNo">020</span><a name="line.20"></a>
<span class="sourceLineNo">021</span>import org.jsimpledb.kv.KVStore;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import org.jsimpledb.kv.KeyRange;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import org.jsimpledb.kv.KeyRanges;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import org.jsimpledb.kv.util.KeyListEncoder;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import org.jsimpledb.util.ByteUtil;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import org.jsimpledb.util.ConvertedNavigableMap;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import org.jsimpledb.util.LongEncoder;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import org.jsimpledb.util.SizeEstimating;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import org.jsimpledb.util.SizeEstimator;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import org.jsimpledb.util.UnsignedIntEncoder;<a name="line.30"></a>
<span class="sourceLineNo">031</span><a name="line.31"></a>
<span class="sourceLineNo">032</span>/**<a name="line.32"></a>
<span class="sourceLineNo">033</span> * Holds a set of writes to a {@link KVStore}.<a name="line.33"></a>
<span class="sourceLineNo">034</span> *<a name="line.34"></a>
<span class="sourceLineNo">035</span> * &lt;p&gt;<a name="line.35"></a>
<span class="sourceLineNo">036</span> * Each mutation is either a key/value put, the removal of a key range (possibly containing only a single key),<a name="line.36"></a>
<span class="sourceLineNo">037</span> * or a counter adjustment.<a name="line.37"></a>
<span class="sourceLineNo">038</span> *<a name="line.38"></a>
<span class="sourceLineNo">039</span> * &lt;p&gt;<a name="line.39"></a>
<span class="sourceLineNo">040</span> * Instances are not thread safe.<a name="line.40"></a>
<span class="sourceLineNo">041</span> * &lt;/p&gt;<a name="line.41"></a>
<span class="sourceLineNo">042</span> */<a name="line.42"></a>
<span class="sourceLineNo">043</span>public class Writes implements Mutations, SizeEstimating {<a name="line.43"></a>
<span class="sourceLineNo">044</span><a name="line.44"></a>
<span class="sourceLineNo">045</span>    private KeyRanges removes = KeyRanges.EMPTY;<a name="line.45"></a>
<span class="sourceLineNo">046</span>    private final TreeMap&lt;byte[], byte[]&gt; puts = new TreeMap&lt;&gt;(ByteUtil.COMPARATOR);<a name="line.46"></a>
<span class="sourceLineNo">047</span>    private final TreeMap&lt;byte[], Long&gt; adjusts = new TreeMap&lt;&gt;(ByteUtil.COMPARATOR);<a name="line.47"></a>
<span class="sourceLineNo">048</span><a name="line.48"></a>
<span class="sourceLineNo">049</span>// Accessors<a name="line.49"></a>
<span class="sourceLineNo">050</span><a name="line.50"></a>
<span class="sourceLineNo">051</span>    /**<a name="line.51"></a>
<span class="sourceLineNo">052</span>     * Get the key ranges removals contained by this instance.<a name="line.52"></a>
<span class="sourceLineNo">053</span>     *<a name="line.53"></a>
<span class="sourceLineNo">054</span>     * @return key ranges removed<a name="line.54"></a>
<span class="sourceLineNo">055</span>     */<a name="line.55"></a>
<span class="sourceLineNo">056</span>    public KeyRanges getRemoves() {<a name="line.56"></a>
<span class="sourceLineNo">057</span>        return this.removes;<a name="line.57"></a>
<span class="sourceLineNo">058</span>    }<a name="line.58"></a>
<span class="sourceLineNo">059</span><a name="line.59"></a>
<span class="sourceLineNo">060</span>    /**<a name="line.60"></a>
<span class="sourceLineNo">061</span>     * Set the key ranges removals contained by this instance.<a name="line.61"></a>
<span class="sourceLineNo">062</span>     *<a name="line.62"></a>
<span class="sourceLineNo">063</span>     * &lt;p&gt;<a name="line.63"></a>
<span class="sourceLineNo">064</span>     * The caller must not modify any of the {@code byte[]} arrays in the returned {@link KeyRanges}.<a name="line.64"></a>
<span class="sourceLineNo">065</span>     * &lt;/p&gt;<a name="line.65"></a>
<span class="sourceLineNo">066</span>     *<a name="line.66"></a>
<span class="sourceLineNo">067</span>     * @param removes key ranges removed<a name="line.67"></a>
<span class="sourceLineNo">068</span>     * @throws IllegalArgumentException if {@code removes} is null<a name="line.68"></a>
<span class="sourceLineNo">069</span>     */<a name="line.69"></a>
<span class="sourceLineNo">070</span>    public void setRemoves(KeyRanges removes) {<a name="line.70"></a>
<span class="sourceLineNo">071</span>        if (removes == null)<a name="line.71"></a>
<span class="sourceLineNo">072</span>            throw new IllegalArgumentException("null removes");<a name="line.72"></a>
<span class="sourceLineNo">073</span>        this.removes = removes;<a name="line.73"></a>
<span class="sourceLineNo">074</span>    }<a name="line.74"></a>
<span class="sourceLineNo">075</span><a name="line.75"></a>
<span class="sourceLineNo">076</span>    /**<a name="line.76"></a>
<span class="sourceLineNo">077</span>     * Get the written key/value pairs contained by this instance.<a name="line.77"></a>
<span class="sourceLineNo">078</span>     *<a name="line.78"></a>
<span class="sourceLineNo">079</span>     * &lt;p&gt;<a name="line.79"></a>
<span class="sourceLineNo">080</span>     * The caller must not modify any of the returned {@code byte[]} arrays.<a name="line.80"></a>
<span class="sourceLineNo">081</span>     * &lt;/p&gt;<a name="line.81"></a>
<span class="sourceLineNo">082</span>     *<a name="line.82"></a>
<span class="sourceLineNo">083</span>     * @return mutable mapping from key to corresponding value<a name="line.83"></a>
<span class="sourceLineNo">084</span>     */<a name="line.84"></a>
<span class="sourceLineNo">085</span>    public NavigableMap&lt;byte[], byte[]&gt; getPuts() {<a name="line.85"></a>
<span class="sourceLineNo">086</span>        return this.puts;<a name="line.86"></a>
<span class="sourceLineNo">087</span>    }<a name="line.87"></a>
<span class="sourceLineNo">088</span><a name="line.88"></a>
<span class="sourceLineNo">089</span>    /**<a name="line.89"></a>
<span class="sourceLineNo">090</span>     * Get the set of counter adjustments contained by this instance.<a name="line.90"></a>
<span class="sourceLineNo">091</span>     *<a name="line.91"></a>
<span class="sourceLineNo">092</span>     * &lt;p&gt;<a name="line.92"></a>
<span class="sourceLineNo">093</span>     * The caller must not modify any of the returned {@code byte[]} arrays.<a name="line.93"></a>
<span class="sourceLineNo">094</span>     * &lt;/p&gt;<a name="line.94"></a>
<span class="sourceLineNo">095</span>     *<a name="line.95"></a>
<span class="sourceLineNo">096</span>     * @return mutable mapping from key to corresponding counter adjustment<a name="line.96"></a>
<span class="sourceLineNo">097</span>     */<a name="line.97"></a>
<span class="sourceLineNo">098</span>    public NavigableMap&lt;byte[], Long&gt; getAdjusts() {<a name="line.98"></a>
<span class="sourceLineNo">099</span>        return this.adjusts;<a name="line.99"></a>
<span class="sourceLineNo">100</span>    }<a name="line.100"></a>
<span class="sourceLineNo">101</span><a name="line.101"></a>
<span class="sourceLineNo">102</span>    /**<a name="line.102"></a>
<span class="sourceLineNo">103</span>     * Determine whether this instance is empty, i.e., contains zero mutations.<a name="line.103"></a>
<span class="sourceLineNo">104</span>     *<a name="line.104"></a>
<span class="sourceLineNo">105</span>     * @return true if this instance contains zero mutations, otherwise false<a name="line.105"></a>
<span class="sourceLineNo">106</span>     */<a name="line.106"></a>
<span class="sourceLineNo">107</span>    public boolean isEmpty() {<a name="line.107"></a>
<span class="sourceLineNo">108</span>        return this.removes.isEmpty() &amp;&amp; this.puts.isEmpty() &amp;&amp; this.adjusts.isEmpty();<a name="line.108"></a>
<span class="sourceLineNo">109</span>    }<a name="line.109"></a>
<span class="sourceLineNo">110</span><a name="line.110"></a>
<span class="sourceLineNo">111</span>    /**<a name="line.111"></a>
<span class="sourceLineNo">112</span>     * Clear all mutations.<a name="line.112"></a>
<span class="sourceLineNo">113</span>     */<a name="line.113"></a>
<span class="sourceLineNo">114</span>    public void clear() {<a name="line.114"></a>
<span class="sourceLineNo">115</span>        this.removes = KeyRanges.EMPTY;<a name="line.115"></a>
<span class="sourceLineNo">116</span>        this.puts.clear();<a name="line.116"></a>
<span class="sourceLineNo">117</span>        this.adjusts.clear();<a name="line.117"></a>
<span class="sourceLineNo">118</span>    }<a name="line.118"></a>
<span class="sourceLineNo">119</span><a name="line.119"></a>
<span class="sourceLineNo">120</span>// Mutations<a name="line.120"></a>
<span class="sourceLineNo">121</span><a name="line.121"></a>
<span class="sourceLineNo">122</span>    @Override<a name="line.122"></a>
<span class="sourceLineNo">123</span>    public List&lt;KeyRange&gt; getRemoveRanges() {<a name="line.123"></a>
<span class="sourceLineNo">124</span>        return this.removes.asList();<a name="line.124"></a>
<span class="sourceLineNo">125</span>    }<a name="line.125"></a>
<span class="sourceLineNo">126</span><a name="line.126"></a>
<span class="sourceLineNo">127</span>    @Override<a name="line.127"></a>
<span class="sourceLineNo">128</span>    public Iterable&lt;Map.Entry&lt;byte[], byte[]&gt;&gt; getPutPairs() {<a name="line.128"></a>
<span class="sourceLineNo">129</span>        return this.puts.entrySet();<a name="line.129"></a>
<span class="sourceLineNo">130</span>    }<a name="line.130"></a>
<span class="sourceLineNo">131</span><a name="line.131"></a>
<span class="sourceLineNo">132</span>    @Override<a name="line.132"></a>
<span class="sourceLineNo">133</span>    public Iterable&lt;Map.Entry&lt;byte[], Long&gt;&gt; getAdjustPairs() {<a name="line.133"></a>
<span class="sourceLineNo">134</span>        return this.adjusts.entrySet();<a name="line.134"></a>
<span class="sourceLineNo">135</span>    }<a name="line.135"></a>
<span class="sourceLineNo">136</span><a name="line.136"></a>
<span class="sourceLineNo">137</span>// Application<a name="line.137"></a>
<span class="sourceLineNo">138</span><a name="line.138"></a>
<span class="sourceLineNo">139</span>    /**<a name="line.139"></a>
<span class="sourceLineNo">140</span>     * Apply all mutations contained in this instance to the given {@link KVStore}.<a name="line.140"></a>
<span class="sourceLineNo">141</span>     *<a name="line.141"></a>
<span class="sourceLineNo">142</span>     * &lt;p&gt;<a name="line.142"></a>
<span class="sourceLineNo">143</span>     * Mutations are applied in this order: removes, puts, counter adjustments.<a name="line.143"></a>
<span class="sourceLineNo">144</span>     *<a name="line.144"></a>
<span class="sourceLineNo">145</span>     * @param target target for recorded mutations<a name="line.145"></a>
<span class="sourceLineNo">146</span>     * @throws IllegalArgumentException if {@code target} is null<a name="line.146"></a>
<span class="sourceLineNo">147</span>     */<a name="line.147"></a>
<span class="sourceLineNo">148</span>    public void applyTo(KVStore target) {<a name="line.148"></a>
<span class="sourceLineNo">149</span>        if (target == null)<a name="line.149"></a>
<span class="sourceLineNo">150</span>            throw new IllegalArgumentException("null target");<a name="line.150"></a>
<span class="sourceLineNo">151</span>        for (KeyRange remove : this.removes.asList())<a name="line.151"></a>
<span class="sourceLineNo">152</span>            target.removeRange(remove.getMin(), remove.getMax());<a name="line.152"></a>
<span class="sourceLineNo">153</span>        for (Map.Entry&lt;byte[], byte[]&gt; entry : this.puts.entrySet())<a name="line.153"></a>
<span class="sourceLineNo">154</span>            target.put(entry.getKey(), entry.getValue());<a name="line.154"></a>
<span class="sourceLineNo">155</span>        for (Map.Entry&lt;byte[], Long&gt; entry : this.adjusts.entrySet())<a name="line.155"></a>
<span class="sourceLineNo">156</span>            target.adjustCounter(entry.getKey(), entry.getValue());<a name="line.156"></a>
<span class="sourceLineNo">157</span>    }<a name="line.157"></a>
<span class="sourceLineNo">158</span><a name="line.158"></a>
<span class="sourceLineNo">159</span>// Serialization<a name="line.159"></a>
<span class="sourceLineNo">160</span><a name="line.160"></a>
<span class="sourceLineNo">161</span>    /**<a name="line.161"></a>
<span class="sourceLineNo">162</span>     * Serialize this instance.<a name="line.162"></a>
<span class="sourceLineNo">163</span>     *<a name="line.163"></a>
<span class="sourceLineNo">164</span>     * @param out output<a name="line.164"></a>
<span class="sourceLineNo">165</span>     * @throws IOException if an error occurs<a name="line.165"></a>
<span class="sourceLineNo">166</span>     */<a name="line.166"></a>
<span class="sourceLineNo">167</span>    public void serialize(OutputStream out) throws IOException {<a name="line.167"></a>
<span class="sourceLineNo">168</span><a name="line.168"></a>
<span class="sourceLineNo">169</span>        // Removes<a name="line.169"></a>
<span class="sourceLineNo">170</span>        this.removes.serialize(out);<a name="line.170"></a>
<span class="sourceLineNo">171</span><a name="line.171"></a>
<span class="sourceLineNo">172</span>        // Puts<a name="line.172"></a>
<span class="sourceLineNo">173</span>        UnsignedIntEncoder.write(out, this.puts.size());<a name="line.173"></a>
<span class="sourceLineNo">174</span>        byte[] prev = null;<a name="line.174"></a>
<span class="sourceLineNo">175</span>        for (Map.Entry&lt;byte[], byte[]&gt; entry : this.puts.entrySet()) {<a name="line.175"></a>
<span class="sourceLineNo">176</span>            final byte[] key = entry.getKey();<a name="line.176"></a>
<span class="sourceLineNo">177</span>            final byte[] value = entry.getValue();<a name="line.177"></a>
<span class="sourceLineNo">178</span>            KeyListEncoder.write(out, key, prev);<a name="line.178"></a>
<span class="sourceLineNo">179</span>            KeyListEncoder.write(out, value, null);<a name="line.179"></a>
<span class="sourceLineNo">180</span>            prev = key;<a name="line.180"></a>
<span class="sourceLineNo">181</span>        }<a name="line.181"></a>
<span class="sourceLineNo">182</span><a name="line.182"></a>
<span class="sourceLineNo">183</span>        // Adjusts<a name="line.183"></a>
<span class="sourceLineNo">184</span>        UnsignedIntEncoder.write(out, this.adjusts.size());<a name="line.184"></a>
<span class="sourceLineNo">185</span>        prev = null;<a name="line.185"></a>
<span class="sourceLineNo">186</span>        for (Map.Entry&lt;byte[], Long&gt; entry : this.adjusts.entrySet()) {<a name="line.186"></a>
<span class="sourceLineNo">187</span>            final byte[] key = entry.getKey();<a name="line.187"></a>
<span class="sourceLineNo">188</span>            final long value = entry.getValue();<a name="line.188"></a>
<span class="sourceLineNo">189</span>            KeyListEncoder.write(out, key, prev);<a name="line.189"></a>
<span class="sourceLineNo">190</span>            LongEncoder.write(out, value);<a name="line.190"></a>
<span class="sourceLineNo">191</span>            prev = key;<a name="line.191"></a>
<span class="sourceLineNo">192</span>        }<a name="line.192"></a>
<span class="sourceLineNo">193</span>    }<a name="line.193"></a>
<span class="sourceLineNo">194</span><a name="line.194"></a>
<span class="sourceLineNo">195</span>    /**<a name="line.195"></a>
<span class="sourceLineNo">196</span>     * Calculate the number of bytes required to serialize this instance via {@link #serialize serialize()}.<a name="line.196"></a>
<span class="sourceLineNo">197</span>     *<a name="line.197"></a>
<span class="sourceLineNo">198</span>     * @return number of serialized bytes<a name="line.198"></a>
<span class="sourceLineNo">199</span>     */<a name="line.199"></a>
<span class="sourceLineNo">200</span>    public long serializedLength() {<a name="line.200"></a>
<span class="sourceLineNo">201</span><a name="line.201"></a>
<span class="sourceLineNo">202</span>        // Removes<a name="line.202"></a>
<span class="sourceLineNo">203</span>        long total = this.removes.serializedLength();<a name="line.203"></a>
<span class="sourceLineNo">204</span><a name="line.204"></a>
<span class="sourceLineNo">205</span>        // Puts<a name="line.205"></a>
<span class="sourceLineNo">206</span>        total += UnsignedIntEncoder.encodeLength(this.puts.size());<a name="line.206"></a>
<span class="sourceLineNo">207</span>        byte[] prev = null;<a name="line.207"></a>
<span class="sourceLineNo">208</span>        for (Map.Entry&lt;byte[], byte[]&gt; entry : this.puts.entrySet()) {<a name="line.208"></a>
<span class="sourceLineNo">209</span>            final byte[] key = entry.getKey();<a name="line.209"></a>
<span class="sourceLineNo">210</span>            final byte[] value = entry.getValue();<a name="line.210"></a>
<span class="sourceLineNo">211</span>            total += KeyListEncoder.writeLength(key, prev);<a name="line.211"></a>
<span class="sourceLineNo">212</span>            total += KeyListEncoder.writeLength(value, null);<a name="line.212"></a>
<span class="sourceLineNo">213</span>            prev = key;<a name="line.213"></a>
<span class="sourceLineNo">214</span>        }<a name="line.214"></a>
<span class="sourceLineNo">215</span><a name="line.215"></a>
<span class="sourceLineNo">216</span>        // Adjusts<a name="line.216"></a>
<span class="sourceLineNo">217</span>        total += UnsignedIntEncoder.encodeLength(this.adjusts.size());<a name="line.217"></a>
<span class="sourceLineNo">218</span>        prev = null;<a name="line.218"></a>
<span class="sourceLineNo">219</span>        for (Map.Entry&lt;byte[], Long&gt; entry : this.adjusts.entrySet()) {<a name="line.219"></a>
<span class="sourceLineNo">220</span>            final byte[] key = entry.getKey();<a name="line.220"></a>
<span class="sourceLineNo">221</span>            final long value = entry.getValue();<a name="line.221"></a>
<span class="sourceLineNo">222</span>            total += KeyListEncoder.writeLength(key, prev);<a name="line.222"></a>
<span class="sourceLineNo">223</span>            total += LongEncoder.encodeLength(value);<a name="line.223"></a>
<span class="sourceLineNo">224</span>            prev = key;<a name="line.224"></a>
<span class="sourceLineNo">225</span>        }<a name="line.225"></a>
<span class="sourceLineNo">226</span><a name="line.226"></a>
<span class="sourceLineNo">227</span>        // Done<a name="line.227"></a>
<span class="sourceLineNo">228</span>        return total;<a name="line.228"></a>
<span class="sourceLineNo">229</span>    }<a name="line.229"></a>
<span class="sourceLineNo">230</span><a name="line.230"></a>
<span class="sourceLineNo">231</span>    /**<a name="line.231"></a>
<span class="sourceLineNo">232</span>     * Deserialize an instance created by {@link #serialize serialize()}.<a name="line.232"></a>
<span class="sourceLineNo">233</span>     *<a name="line.233"></a>
<span class="sourceLineNo">234</span>     * &lt;p&gt;<a name="line.234"></a>
<span class="sourceLineNo">235</span>     * Any {@link IOException} thrown during iteration will be wrapped in a {@link RuntimeException}.<a name="line.235"></a>
<span class="sourceLineNo">236</span>     * An {@link IllegalArgumentException} is also possible during iteration if malformed input is detected.<a name="line.236"></a>
<span class="sourceLineNo">237</span>     *<a name="line.237"></a>
<span class="sourceLineNo">238</span>     * @param input input stream containing data from {@link #serialize serialize()}<a name="line.238"></a>
<span class="sourceLineNo">239</span>     * @return deserialized instance<a name="line.239"></a>
<span class="sourceLineNo">240</span>     * @throws IllegalArgumentException if {@code input} is null<a name="line.240"></a>
<span class="sourceLineNo">241</span>     * @throws IllegalArgumentException if malformed input is detected<a name="line.241"></a>
<span class="sourceLineNo">242</span>     * @throws IOException if an I/O error occurs<a name="line.242"></a>
<span class="sourceLineNo">243</span>     */<a name="line.243"></a>
<span class="sourceLineNo">244</span>    public static Writes deserialize(InputStream input) throws IOException {<a name="line.244"></a>
<span class="sourceLineNo">245</span>        Preconditions.checkArgument(input != null, "null input");<a name="line.245"></a>
<span class="sourceLineNo">246</span><a name="line.246"></a>
<span class="sourceLineNo">247</span>        // Create new instance<a name="line.247"></a>
<span class="sourceLineNo">248</span>        final Writes writes = new Writes();<a name="line.248"></a>
<span class="sourceLineNo">249</span><a name="line.249"></a>
<span class="sourceLineNo">250</span>        // Populate removes<a name="line.250"></a>
<span class="sourceLineNo">251</span>        writes.removes = KeyRanges.deserialize(input);<a name="line.251"></a>
<span class="sourceLineNo">252</span><a name="line.252"></a>
<span class="sourceLineNo">253</span>        // Populate puts<a name="line.253"></a>
<span class="sourceLineNo">254</span>        int count = UnsignedIntEncoder.read(input);<a name="line.254"></a>
<span class="sourceLineNo">255</span>        byte[] prev = null;<a name="line.255"></a>
<span class="sourceLineNo">256</span>        for (int i = 0; i &lt; count; i++) {<a name="line.256"></a>
<span class="sourceLineNo">257</span>            final byte[] key = KeyListEncoder.read(input, prev);<a name="line.257"></a>
<span class="sourceLineNo">258</span>            final byte[] value = KeyListEncoder.read(input, null);<a name="line.258"></a>
<span class="sourceLineNo">259</span>            writes.puts.put(key, value);<a name="line.259"></a>
<span class="sourceLineNo">260</span>            prev = key;<a name="line.260"></a>
<span class="sourceLineNo">261</span>        }<a name="line.261"></a>
<span class="sourceLineNo">262</span><a name="line.262"></a>
<span class="sourceLineNo">263</span>        // Populate adjusts<a name="line.263"></a>
<span class="sourceLineNo">264</span>        count = UnsignedIntEncoder.read(input);<a name="line.264"></a>
<span class="sourceLineNo">265</span>        prev = null;<a name="line.265"></a>
<span class="sourceLineNo">266</span>        for (int i = 0; i &lt; count; i++) {<a name="line.266"></a>
<span class="sourceLineNo">267</span>            final byte[] key = KeyListEncoder.read(input, prev);<a name="line.267"></a>
<span class="sourceLineNo">268</span>            final long value = LongEncoder.read(input);<a name="line.268"></a>
<span class="sourceLineNo">269</span>            writes.adjusts.put(key, value);<a name="line.269"></a>
<span class="sourceLineNo">270</span>            prev = key;<a name="line.270"></a>
<span class="sourceLineNo">271</span>        }<a name="line.271"></a>
<span class="sourceLineNo">272</span><a name="line.272"></a>
<span class="sourceLineNo">273</span>        // Done<a name="line.273"></a>
<span class="sourceLineNo">274</span>        return writes;<a name="line.274"></a>
<span class="sourceLineNo">275</span>    }<a name="line.275"></a>
<span class="sourceLineNo">276</span><a name="line.276"></a>
<span class="sourceLineNo">277</span>// SizeEstimating<a name="line.277"></a>
<span class="sourceLineNo">278</span><a name="line.278"></a>
<span class="sourceLineNo">279</span>    @Override<a name="line.279"></a>
<span class="sourceLineNo">280</span>    public void addTo(SizeEstimator estimator) {<a name="line.280"></a>
<span class="sourceLineNo">281</span>        estimator<a name="line.281"></a>
<span class="sourceLineNo">282</span>          .addObjectOverhead()<a name="line.282"></a>
<span class="sourceLineNo">283</span>          .addField(this.removes)<a name="line.283"></a>
<span class="sourceLineNo">284</span>          .addTreeMapField(this.puts)<a name="line.284"></a>
<span class="sourceLineNo">285</span>          .addTreeMapField(this.adjusts);<a name="line.285"></a>
<span class="sourceLineNo">286</span>        for (Map.Entry&lt;byte[], byte[]&gt; entry : this.puts.entrySet()) {<a name="line.286"></a>
<span class="sourceLineNo">287</span>            estimator<a name="line.287"></a>
<span class="sourceLineNo">288</span>              .add(entry.getKey())<a name="line.288"></a>
<span class="sourceLineNo">289</span>              .add(entry.getValue());<a name="line.289"></a>
<span class="sourceLineNo">290</span>        }<a name="line.290"></a>
<span class="sourceLineNo">291</span>        for (Map.Entry&lt;byte[], Long&gt; entry : this.adjusts.entrySet()) {<a name="line.291"></a>
<span class="sourceLineNo">292</span>            estimator<a name="line.292"></a>
<span class="sourceLineNo">293</span>              .add(entry.getKey())<a name="line.293"></a>
<span class="sourceLineNo">294</span>              .addObjectOverhead()<a name="line.294"></a>
<span class="sourceLineNo">295</span>              .addLongField();<a name="line.295"></a>
<span class="sourceLineNo">296</span>        }<a name="line.296"></a>
<span class="sourceLineNo">297</span>    }<a name="line.297"></a>
<span class="sourceLineNo">298</span><a name="line.298"></a>
<span class="sourceLineNo">299</span>// Object<a name="line.299"></a>
<span class="sourceLineNo">300</span><a name="line.300"></a>
<span class="sourceLineNo">301</span>    @Override<a name="line.301"></a>
<span class="sourceLineNo">302</span>    public String toString() {<a name="line.302"></a>
<span class="sourceLineNo">303</span>        final Converter&lt;String, byte[]&gt; byteConverter = ByteUtil.STRING_CONVERTER.reverse();<a name="line.303"></a>
<span class="sourceLineNo">304</span>        final ConvertedNavigableMap&lt;String, String, byte[], byte[]&gt; putsView<a name="line.304"></a>
<span class="sourceLineNo">305</span>          = new ConvertedNavigableMap&lt;&gt;(this.puts, byteConverter, byteConverter);<a name="line.305"></a>
<span class="sourceLineNo">306</span>        final ConvertedNavigableMap&lt;String, Long, byte[], Long&gt; adjustsView<a name="line.306"></a>
<span class="sourceLineNo">307</span>          = new ConvertedNavigableMap&lt;&gt;(this.adjusts, byteConverter, Converter.&lt;Long&gt;identity());<a name="line.307"></a>
<span class="sourceLineNo">308</span>        return this.getClass().getSimpleName()<a name="line.308"></a>
<span class="sourceLineNo">309</span>          + "[removes=" + this.removes<a name="line.309"></a>
<span class="sourceLineNo">310</span>          + ",puts=" + putsView<a name="line.310"></a>
<span class="sourceLineNo">311</span>          + (!this.adjusts.isEmpty() ? ",adjusts=" + adjustsView : "")<a name="line.311"></a>
<span class="sourceLineNo">312</span>          + "]";<a name="line.312"></a>
<span class="sourceLineNo">313</span>    }<a name="line.313"></a>
<span class="sourceLineNo">314</span>}<a name="line.314"></a>
<span class="sourceLineNo">315</span><a name="line.315"></a>




























































</pre>
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